Features 1. Multifunctional powerful mute exhaust fan: Upgraded fully enclosed pure copper motor (speed up to 2800r/min) provides fast fume extraction and ventilation, helping maintain fresh and comfortable indoor air. 2. Durable construction: 7 thickened blades deliver strong and uniform airflow, resistant to deformation. Operates stably with minimal vibration, ensuring high air volume and reduced noise. Designed for long-term use with robust build quality. 3. Easy installation: Includes all necessary mounting hardware and clear installation instructions. Can be installed without professional help. 4. Ventilation fan: Equipped with protective grills tightly arranged to prevent accidental contact. The grill is secured with four screws to minimize shaking and noise, and is detachable for easy cleaning. 5. Wide application: Suitable for efficient indoor ventilation in kitchens, bedrooms, offices, basements, warehouses, garages, and other areas requiring continuous or regular airflow. Specification Material: Alloy Color: Black, White Size: 15 x 15 cm, 14 x 18 cm, 15 x 20 cm, 15.5 x 24.5 cm Weight: 1200 g, 1550 g, 2050 g, 2700 g Power: 40W, 50W, 80W, 100W Package Include: 1 x Kitchen Exhaust Fan